20216563376

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{661}}^1\times {\mathrm{36067}}^1$

素因数の和:36789

約数の個数: 40

約数和(自身を含む): 39970124784

約数和(自身を除く): 19753561408

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 661, 848, 1322, 2644, 5288, 10576, 35033, 36067, 70066, 72134, 140132, 144268, 280264, 288536, 560528, 577072, 1911551, 3823102, 7646204, 15292408, 23840287, 30584816, 47680574, 95361148, 190722296, 381444592, 1263535211, 2527070422, 5054140844, 10108281688, 20216563376]

約数ペア:

[(1, 20216563376), (2, 10108281688), (4, 5054140844), (8, 2527070422), (16, 1263535211), (53, 381444592), (106, 190722296), (212, 95361148), (424, 47680574), (661, 30584816), (848, 23840287), (1322, 15292408), (2644, 7646204), (5288, 3823102), (10576, 1911551), (35033, 577072), (36067, 560528), (70066, 288536), (72134, 280264), (140132, 144268)]